59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/***
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* @Author: mbw
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* @Date: 2024-09-05 15:04:14
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* @LastEditors: mbw && 1600520629@qq.com
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* @LastEditTime: 2024-09-14 16:22:29
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* @FilePath: \USART1_Interrupt - RT-Thread\bsp\inc\bsp_adc.h
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* @Description:
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* @
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* @Copyright (c) 2024 by ${git_name_email}, All Rights Reserved.
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*/
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#ifndef __BSP_ADC_H__
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#define __BSP_ADC_H__
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#include "rtthread.h"
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// ADC要采集的通道个数
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#define NUM_OF_CHANNEL (1U)
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// ADC要采集的次数
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#define ADC_TIMES (10U)
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#define ADC_BUFFER_SIZE (NUM_OF_CHANNEL * ADC_TIMES)
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/***************************12V输入的检测，用来实现掉电检测****************************/
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#define VIN_ADC_GPIO_PORT GPIOA
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#define VIN_ADC_GPIO_PIN GPIO_PIN_4
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// #define VIN_ADC_GPIO_CLK_ENABLE() std_rcc_gpio_clk_enable(RCC_PERIPH_CLK_GPIOA);
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#define VIN_ADC_CHANNEL ADC_CHANNEL_3
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typedef enum
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{
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kVinAdc = 0U,
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// kVbgrAdc
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} TeAdcIndex;
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// 存储采集的数据
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extern rt_uint16_t adc_buffer[ADC_BUFFER_SIZE];
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#define VIN_THREAD_STACK_SIZE (1024)
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#define VIN_THREAD_PRIORITY (10)
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#define VIN_THREAD_TIMESLICE (20)
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// #define VIN_VOLTAGE_RATIO (4.19148936F)
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#define VIN_VOLTAGE_RATIO (1)
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// 不含输入二极管的压降
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// (4.7/19.7) * 13V = 3.1V, 3.1/3.3*4096 = 3723
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// #define VIN_ADC_HIGH_THRESHOLD (uint16_t)3847 // 13V
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// (4.7/19.7) * 10V = 2.39V, 2.39/3.3*4096 = 2966
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// #define VIN_ADC_LOW_THRESHOLD (uint16_t)2966 // 10V
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#define VIN_ADC_HIGH_THRESHOLD (0xFFFU * 7 /8) /* 模拟看门狗监控电压高阈值 2.625v*/
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#define VIN_ADC_LOW_THRESHOLD (0xFFFU * 2 /3) /* 模拟看门狗监控电压低阈值 2v*/
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float Get_VIN_Voltage(void);
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rt_uint16_t Get_VIN_VoltageInt1000x(void);
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#endif // !__BSP_ADC_H__
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